Tennis fans hoping to strike big money on an eventual winner at the Miami Masters should stay clear of backing Rafael Nadal.

Nadal goes into the tournament as one of the heavy favourites following his triumphant hard-court return at Indian Wells last week, where he defeated Juan Martin del Potro 4-6 6-3 6-4 in the final to claim his third title of 2013.

The Spaniard was back at his powerful best that day, nailing his serves and maintaining that renowned consistency...